Prove that has a unique subgroup of order 4.

I know all 12 elements of , and I know contains , but how do I prove that is a unique subgroup?

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- Oct 18th 2008, 06:57 PMdori1123unique subgroups
Prove that has a unique subgroup of order 4.

I know all 12 elements of , and I know contains , but how do I prove that is a unique subgroup? - Oct 18th 2008, 06:59 PMThePerfectHackerQuote:

Originally Posted by**dori1123**